Fix handling of different types.

Author: ioquatix

lib/metrics/backend/datadog/interface.rb

@@ -65,7 +65,7 @@ module Interface
 				def metric(name, type, description: nil, unit: nil)
 					klass = Metric
 
-					case name
+					case type
 					when :counter
 						# klass = Metric
 					when :guage

test/metrics/backend/datadog.rb

@@ -15,6 +15,7 @@ def my_method(argument)
 
 Metrics::Provider(MyClass) do
 	MYCLASS_CALL_COUNT = Metrics.metric('my_class.call', :counter, description: 'Call counter.')
+	MYCLASS_CALL_DISTRIBUTION = Metrics.metric('my_class.call', :distribution, description: 'Call distribution.')
 
 	def my_method(argument)
 		MYCLASS_CALL_COUNT.emit(1, tags: ["foo", "bar"])
@@ -28,6 +29,10 @@ def my_method(argument)
 		expect(Metrics::VERSION).to be =~ /\d+\.\d+\.\d+/
 	end
 
+	it "supports distributions" do
+		expect(MYCLASS_CALL_DISTRIBUTION).to be_a(Metrics::Backend::Datadog::Distribution)
+	end
+	
 	with "mock server" do
 		include Sus::Fixtures::Async::ReactorContext